node.js将MongoDB数据同步到MySQL的步骤

/*** Created by kevalin on 2015/4/22.*/var express = require('express');var router = express.Router();var mysql = require('mysql');var conf = require('../config/dbconnection');//定义pool池var pool = mysql.createPool({host : conf.dbMysql.host,user : conf.dbMysql.user,password : conf.dbMysql.password,database : conf.dbMysql.database,port : conf.dbMysql.port});router.get('/', function(req, res) {var selectSites = "select *, date_format(do_time, '%Y-%m-%d %H:%i:%s') as time from siteinfo order by id";pool.getConnection(function(err, connection) {if (err) throw err;connection.query(selectSites, function(err, rows) {if (err) throw err;res.render('sites', {title : '站点分布', results : rows});//回收poolconnection.release();});});});module.exports = router;

User.find({}, (err, user) => { if (err) res.send(err); for( let i = 0 ; i < family.length ; i ++ ) {  console.log("第" + (i + 1) + "条数据"); let username = user[i].username;  let email = user[i].email; let password = user[i].password;  let sql = "insert into user_table(username, email, password) values ('" + username + "','" + email + "','" + password + "');"; pool.query(sql,(err, rows) => {  if (err)  res.send(err);   res.json({  message:'数据插入成功',  rows  });   }); }});